Emotional diva Lauryn Hill‘s management warned staffers at Harry O’s in Park City, Utah, that she’s only to be addressed as “Miss Hill” during her Wednesday night performance at Sundance. About 50 Harry O’s staffers were told that Hill’s management called ahead to warn everyone to address the singer formally. “Everyone sort of rolled their eyes and chuckled but promised to oblige,” said a source. Hill played for two hours with an 11-piece band. “She put on the best show I’ve seen in six years,” said Harry O’s Konstantine Deslis.Hill’s rep had no comment.